WO2022194785A1 - Dispositif de régulation de température pour une machine électrique - Google Patents

Dispositif de régulation de température pour une machine électrique Download PDF

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Publication number
WO2022194785A1
WO2022194785A1 PCT/EP2022/056556 EP2022056556W WO2022194785A1 WO 2022194785 A1 WO2022194785 A1 WO 2022194785A1 EP 2022056556 W EP2022056556 W EP 2022056556W WO 2022194785 A1 WO2022194785 A1 WO 2022194785A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature control
control device
fluid
stator
rotor
Prior art date
Application number
PCT/EP2022/056556
Other languages
German (de)
English (en)
Inventor
David EHRENBERGER
Original Assignee
Witzenmann Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Witzenmann Gmbh filed Critical Witzenmann Gmbh
Publication of WO2022194785A1 publication Critical patent/WO2022194785A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Definitions

  • the invention relates to a temperature control device in an electrical machine according to claim 1 .
  • Such a machine regularly comprises a radially outer stator and a rotatable rotor arranged radially inside the stator, a circumferential rotor gap being formed between the stator and the rotor.
  • the stator is surrounded by a sleeve-shaped stator carrier, and this stator carrier is closed at the end by a bearing plate in each case, so that a machine interior is formed, through which bearing plates a shaft of the rotor is rotatably mounted.
  • DE 10 2018 109 421 A1 discloses a temperature control module for an electrical module, in particular for an electric motor, which has a casing designed to essentially completely accommodate the electrical module, which casing comprises a tubular wall section and is also referred to below as a “cooling sleeve”. is designated.
  • the tubular wall section there is at least one corrugated area, in which the casing has a plurality of corrugations, which in particular run parallel to one another, which corrugations extend essentially transversely to a longitudinal axis of the tubular wall section and jointly on at least one of their respective first and second corrugations Transition end sections in an associated distribution and collection channel of the sheath.
  • there is at least one feed line for a tempering fluid which feed line opens into the distribution and collecting channel, and a discharge line for the tempering fluid, which discharge line is discharged or branched off from the distribution and collection channel.
  • Such a cooling sleeve can advantageously cool down or generally temper an electrical machine or an electrical module via the outer lateral surface of the stator carrier. It is simple and inexpensive to produce and requires only a small amount of space. For machines with increased power density, however, the cooling capacity can be too low. This can mean that machines with a cooling sleeve have to go into so-called "derating" relatively early in order to avoid damage to the system to avoid. In this case, the power is reduced in order to rule out (thermal) damage to the system. Due to the relatively low thermal load capacity, only limited transient operation is possible. The driving experience suffers, especially in automotive applications (electric machine as traction motor).
  • the object of the invention is to achieve improved temperature control of an electrical machine.
  • An (additional) external heat exchanger should be dispensed with in order to save installation space and costs.
  • a temperature control device for an electrical machine, which machine has a radially outer stator and a rotor arranged radially inner half of the stator, with a circumferential rotor gap being formed between the stator and rotor, the stator being surrounded by a sleeve-shaped stator carrier, and the Stator is frontally closed ver by a respective end shield, so that a machine interior is formed, through which end shields a shaft of the rotor is rotatably mounted.
  • the temperature control device has: a cooling sleeve (CSL), which cooling sleeve is preferably thin-walled and made of metal, which surrounds the stator support in a section and which forms a first flow space for a first temperature control fluid between itself and the stator support, and an outer casing which Envelope surrounds the cooling sleeve in a section and forms a second flow space for a second tempering fluid between itself and the cooling sleeve. It is provided according to the invention that the second flow space is fluidly connected to the interior of the machine.
  • CSL cooling sleeve
  • cooling sleeve temperature control module (hereinafter also referred to as “EMH”) with an additional outer casing for a second temperature control fluid, with the cooling sleeve functioning as a heat exchanger between the first and second temperature control fluid.
  • EMH cooling sleeve temperature control module
  • Temperature control of the interior space and specifically also of the rotor of the electric machine is possible with the second temperature control fluid, so that the temperature control effect can be significantly increased.
  • the temperature control device according to the invention provides that the cooling sleeve is corrugated at least in some areas and preferably rests against the stator support in the area of its wave troughs, most preferably fluid-tight, eg materially. As a result, good heat exchange and targeted flow control can be achieved.
  • the latter can be formed diagonally or helically (screw pitch).
  • a further development of the temperature control device according to the invention provides that the second flow chamber is connected to the rotor gap in a fluid-conducting manner. As a result, the rotor can be temperature-controlled in a targeted manner in the stated range.
  • a radially perforated stator carrier can also be used here.
  • the secondary temperature control fluid preferably absorbs the heat from the inside of the rotor and stator as it passes through the rotor gap and, if necessary, from the end windings and any bearings, and gives it off to the CSL in a radially negative direction when it is returned to the outside.
  • the CSL preferably transfers the heat to a primary cooling circuit, which removes it from the system.
  • An embodiment of the invention can be characterized in that the cover is designed as a cast housing, which allows the integration of additional functions such as screw points.
  • a corresponding further development of the temperature control device according to the invention therefore provides that the casing is designed as a cast housing.
  • Another embodiment of the invention can be characterized in that the EMH with the stator support, cooling sleeve and end shields is mounted in a manner that is sound-decoupling with respect to the outer casing.
  • This can preferably be achieved by introducing at least one elastomer part, preferably made of NBR.
  • Acrylonitrile butadiene rubber abbreviated to nitrile rubber, AB and NBR (Nitrile Butadiene Rubber), is a copolymer of acrylonitrile and 1,3-butadiene and is one of the synthetic rubbers. Rubber vulcanizates have a high resistance to mineral oils, fats and hydrocarbons.
  • a corresponding further development of the temperature control device therefore provides that the stator carrier, cooling sleeve and/or end shields are mounted in relation to the envelope so as to decouple structure-borne noise, preferably by incorporating an elastomer part, most preferably made of NBR.
  • Yet another embodiment of the invention can be characterized in that a hollow cylinder, preferably designed as a longitudinally welded tube section, is used as the outer casing.
  • a hollow cylinder preferably designed as a longitudinally welded tube section, is used as the outer casing.
  • Such an enclosure is particularly easy and inexpensive to produce.
  • the casing is designed as a hollow cylinder, preferably as a longitudinally welded pipe section.
  • the heat transfer from the second (or secondary) tempering fluid or secondary fluid to the first (or primary) tempering fluid or primary fluid can be positively influenced by the correlating flow conditions by introducing beads or dents into the casing.
  • one or more elements to improve heat transfer can optionally be introduced between the CSL and the outer shell. This/these is/are preferably conductively bonded to the CSL, most preferably by soldering or welding.
  • the beads can assume a flow-guiding function.
  • the casing has beads or dents or other structures which project radially inwards and which can serve to transfer heat and/or flow.
  • the temperature control device therefore provides, in particular, for elements to improve the heat transfer to be introduced between the cooling sleeve and the casing, preferably thermally conductive, most preferably cohesively, connected to the cooling sleeve.
  • the same can have a structure, for example in the form of beads, which are optionally supported locally on the CSL and thus make mechanical contact with the same. This contact can also be mechanically prestressed.
  • the prestressing can preferably be realized by a thermal press fit.
  • the casing touches the cooling sleeve at certain points, especially in the area of the beads or dents or other structures, as mentioned above, preferably under prestress, e.g. as a thermal press fit.
  • the encapsulation and the CSL can also be materially bonded.
  • the second tempering fluid used in the secondary circuit can be designed either as a gas or as a liquid and is preferably dielectric; air or oil is most preferably used. Such a fluid has electrically insulating properties. In addition, a high heat storage capacity and thermal conductivity are also important, advantageous properties of the second tempering fluid.
  • the second flow chamber contains a gas or a liquid, preferably with dielectric properties, most preferably air or oil.
  • the secondary circuit can be divided in order, on the one hand, to gap the end windings/the rotor and, on the other hand, to heat the rotor through a hollow shaft.
  • a corresponding development of the temperature control device according to the invention therefore provides in particular that the rotor shaft is a hollow shaft through which at least part of the second temperature control fluid is guided or can be guided.
  • the temperature control device provides in particular that at least one of the end shields has at least one opening for conducting the second temperature control fluid into the machine interior or out of the machine interior.
  • the secondary circuit can be routed through an inverter housing or the like, in order to additionally cool the power electronics, optionally in addition to the primary circuit.
  • the inverter housing can optionally be positioned, for example, tangentially or radially to the electrical machine (E-machine).
  • a further heat source arranged radially on the outside
  • elements for improved heat transfer to the secondary fluid can be attached to the casing in a conductive, preferably cohesive manner.
  • a corresponding further development of the temperature control device according to the invention therefore provides in particular that a flow path for the second temperature control fluid between the casing and the machine interior is formed by a housing part attached to the machine, preferably axially or radially.
  • thermocontrol device accordingly additionally provides in particular that at least one component to be temperature-controlled, in particular an electronic component, is arranged in the housing part.
  • the component can be arranged on or on the bearing plate, preferably on/on an additional sheet metal part.
  • the sheet metal part can also provide for a closure of said recess.
  • the flow guide can be configured in such a way that at least a partial mass flow flows through the bearings provided in the end shields, which are preferably designed as roller bearings, in order to cool them and lubricate them at the same time.
  • a corresponding development of the temperature control device according to the invention therefore provides in particular that a flow path for the second temperature control fluid between the enclosure and the machine interior is passed through a bearing in one of the end shields, preferably a roller bearing, or close to this bearing.
  • the temperature control effect is particularly efficient if the temperature control device according to the invention is additionally provided with a circulation device for the second temperature control fluid.
  • the circulation device can have at least one impeller, preferably a centrifugal impeller, for conveying the second temperature-sensitive fluid, with the impeller being able to be arranged in particular on the rotor shaft.
  • a circulating device independent of the rotor speed (inside or outside the enclosure) can be provided, which promotes the second tempering fluid depending on the engine or rotor speed, for example to be able to post-cool even when stationary.
  • the circulating device additionally or alternatively has a conveying medium that is independent of a rotor rotation.
  • the oil mentioned above can advantageously also be used to lubricate and cool a transmission.
  • the circulation then preferably takes place via an (additional) external pump.
  • the otherwise required heat exchanger of the transmission oil is saved and its function is taken over by the CSL and the encapsulation.
  • a heating element can also be installed in the secondary circuit or in operative connection with it in order to condition the machine before operation.
  • bearing preloads and air gaps can be kept within the necessary interval from the start of operation.
  • temperature control device provides in particular that the second temperature control fluid is guided in a closed circuit within the temperature control device between the interior of the machine and the second flow space. This refinement can be implemented in a particularly simple and cost-effective manner.
  • thermocontrol device can provide that this is used for heat exchange with respect to the first temperature control fluid a heat exchange device arranged outside of the temperature control device is connected or connectable.
  • a heat exchange device is present in any case, particularly in automobiles.
  • the first tempering fluid is water or a water-glycol mixture, as is also regularly present in automobiles.
  • the casing can be designed in one piece with one of the end shields, so that fewer individual parts have to be processed. You can have additional stiffening ribs, screw points on or the like.
  • the casing can have further cooling structures, in particular for additional electronic cooling.
  • another component to be cooled e.g. an electronic component
  • the stator can have additional cooling ducts or grooves in order to improve the cooling effect. The same applies to the rotor.
  • the area of the rotor gap can be sealed in order to limit a cooling flow to the area of said cooling channels or grooves.
  • a variant with radial end winding wetting through the hollow rotor shaft is advantageously provided.
  • a pump wheel or the like can be arranged on both sides of the rotor on the rotor shaft in order to ensure the circulation of the second tempering fluid.
  • the impellers can ensure a (radial) flow of fluid into the region of the winding overhangs (of the stator).
  • the casing can be formed in one piece with one end shield.
  • the enclosure can have an (additional) inlet and outlet for separate electronic cooling with additional cooling structures within the enclosure in order to implement an additional cooling circuit.
  • Figure 1 shows a temperature control device according to the invention partially in longitudinal section
  • FIG. 2 shows a first variant of the temperature control device according to the invention, partially in longitudinal section
  • FIG. 3 shows a second variant of the temperature control device according to the invention, partially in longitudinal section
  • FIG. 4 shows a third variant of the temperature control device according to the invention, partially in longitudinal section
  • FIG. 5 shows a fourth variant of the temperature control device according to the invention, partially in longitudinal section
  • FIG. 6 shows a fifth variant of the temperature control device according to the invention, partially in longitudinal section.
  • FIG. 7 shows a sixth variant of the temperature control device according to the invention, partially in longitudinal section.
  • FIG. 1 shows a temperature control device in an electrical machine, which machine as a whole is provided with the reference number 1, partially in longitudinal section (longitudinal axis L). It comprises a radially outer stator 2 and a rotor 3 arranged radially inside the stator 2 , a circumferential rotor gap 4 being formed between the stator 2 and the rotor 3 .
  • the stator 2 is surrounded by a sleeve-shaped stator support 5, and the stator support 5 is closed at the end by a respective bearing shield 6, 7, so that a machine interior 8 is formed.
  • An (output) shaft 9 of the rotor is rotatably supported by the end shields 6, 7, preferably by means of roller bearings 10, 11 between itself and the stator carrier 5 a first flow space SR1 for a first tempering fluid TF1 (e.g. water-glycol mixture) trains.
  • the cooling sleeve 12 is located in the region of its troughs 12a sealingly on the stator carrier 5.
  • the first flow chamber SR1 also includes the area between and recesses 13 in the end shield 7, which are axially closed with a plate 14, but are in fluid communication with each other.
  • the first flow space SR1 between the cooling sleeve 12 and the stator carrier 5 is in fluid communication with an external heat exchanger 15.
  • the first tempering fluid TF1 preferably reaches the area of the recesses 13 and 13 from the heat exchanger 15 according to the dot-dash arrow (radially from outside). from there via an axial opening 7a in the end shield 7 in the area between the cooling sleeve 12 and the stator carrier 5, where it flows around the latter at least in part. From there, the first tempering fluid TF1 is fed back to the heat exchanger 15, which is not shown in detail.
  • an outer casing 16 preferably made of a (metallic) cast material, which casing 16 surrounds the cooling sleeve 12 in a section and forms a second flow space SR2 for a second temperature control fluid TF2, preferably oil, between itself and the cooling sleeve 12.
  • the second flow chamber SR2 is connected to the machine interior 8 via further axial openings 7b, 7c in the bearing plate 7, as shown.
  • the connection is created via an axially arranged housing 17 (housing cover) which covers a component 18 arranged on the sheet metal 14, preferably a power electronics component (e.g. inverter).
  • the temperature control fluid TF2 flows around the component 18 .
  • the component 18 is (also) in thermally conductive contact with the first flow space SR1 and the first temperature control fluid TF1 via the sheet metal 14 .
  • the flow of the second tempering fluid TF2 is divided in the machine interior 8: a first partial flow TF2.1 flows through the rotor gap 4, a second partial flow TF2.2 through the shaft 9 designed as a hollow shaft.
  • a pump wheel sits on this shaft 9 19, which acts as a circulation device for circulating the second tempering fluid TF2. It can (alternatively or additionally) be provided a further, in particular independent of a rotation of the shaft 9 circulating device, which is not shown.
  • the shaft 9 has openings at reference number 9a, through which the second partial flow TF2.2 can exit the (hollow) shaft 9 again, as shown.
  • the second tempering fluid TF2 then returns to the region between the outer casing 16 and the cooling sleeve 12 via a channel 20a on the end face.
  • the channel 20a is in a connection part 20 is arranged, which connection part 20 closes the second flow space SR2 to the outside and is used for attaching the end shield 6 .
  • the second tempering fluid TF2 preferably flows close enough to the bearings 10, 11 to also temper them and, if necessary, to lubricate them.
  • the casing 16 can also be designed as a hollow cylinder, preferably as a longitudinally welded tube section. Furthermore, it can have radially inwardly projecting beads or dents or other structures, which is not shown in the figure. In addition, it can be expedient if elements (not shown) are introduced between the cooling sleeve 12 and the cover 16 to improve the heat transfer, preferably in a heat-conducting manner, most preferably connected to the cooling sleeve 12 with a material connection.
  • the casing 16 can also touch the cooling sleeve 12 at certain points, particularly in the area of the mentioned beads or dents or other structures, preferably under pretension. This is also not shown in the figure.
  • a heating element (not shown) for heating the second tempering fluid can be arranged in the second flow chamber SR2.
  • the second temperature control fluid TF2 flows in a closed circuit within the temperature control device between the machine interior 8 and the second flow space SR2 (via the interior of the housing 17 and through the openings/channels 7b, 7c, 20a).
  • the temperature control device or the machine 1 is or can be connected to a heat exchange device (heat exchanger) 15 arranged outside the temperature control device, as mentioned.
  • the heat exchange device also includes the associated funding and storage means for the first tempering fluid TF1, which is preferably - as he already mentioned - is water or a water-glycol mixture.
  • FIG. 1 shows the flow of the second tempering fluid TF2; the flow of the first tempering fluid TF1 is not explicitly shown in the drawing for reasons of clarity.
  • FIG. 2 shows a similar temperature control device in an electrical machine as in FIG.
  • the same reference symbols designate elements that are the same or at least have the same effect. For reasons of clarity, not all elements are always explicitly (re)designated. In this respect, reference may be made to FIG.
  • a fluid passage for the second tempering fluid TF2 takes place through the stator support 5 (left, opening 5a) or through the transition between the stator support and the connection part (right, reference numerals 20, 20a).
  • the cooling sleeve (CSL) 12 is shortened axially compared to the embodiment in FIG. 1, with the primary cooling fluid (not shown) being fed preferably radially (first tempering fluid TF1, cf. FIG. 1).
  • An external additional heat source 21 is attached radially outside of the casing 16, e.g. The cooling takes place radially inwards via the casing 16, as shown (Q).
  • a heat transfer element 22 is connected to the inside of the casing 16, preferably in a materially bonded manner.
  • the heat transfer element 22 can optionally also be connected to the CSL 12 (shown only on the right at reference number 22a), namely elastically prestressed or by material connection.
  • a one-piece design of a bearing plate 6, 7 and the casing 16 can be provided (not shown here, cf. FIG. 7).
  • This is not limited to the configuration according to FIG.
  • the assumption of load-bearing functions (strength and rigidity) can be achieved.
  • screw-on points, ribbing for rigidity and as heat-conducting elements, etc. can be formed directly in the cast material of the casing 16 (if formed accordingly) (cf. FIG. 7).
  • FIG. 2 it is also provided that a secondary fluid passage takes place through channels 2a in the stator 2 or through corresponding stator slots.
  • the rotor 3 can also be designed accordingly (not shown).
  • FIG. 3 shows a variant with a schematically illustrated speed-independent circulation device 23 which is arranged in the second flow space between the casing 16 and the stator carrier 5 .
  • You will have another radial breakthrough 5b of the stator support 5 is supplied with the second tempering fluid.
  • Additional sealing elements 24a, b ensure sealing of the rotor gap 4 in order to prevent the fluid from heating up due to shearing. This feature is not limited to the configuration according to FIG. 3, provided that the channels 2a or corresponding stator slots are present.
  • the heat conducting element or heat transfer element 22 is thermally conductively attached to the cooling sleeve 12 for surface enlargement and better heat transfer.
  • FIG. 4 shows a variant with an external circulation device 23' and a further heat source 25 (fleiz element, shown only schematically).
  • the connecting part 20 accordingly has two channels 20b, c, in order to conduct the second tempering fluid from the machine interior 8 (cf. FIG. 1) to the flexible element 25 and the circulating device 23' and from there into the casing 16.
  • the component 18 or the further heat source can also be a gear to be cooled here or in all embodiments, which is supplied directly axially via the end shield 7 with secondary fluid.
  • FIG. 5 is designed similar to that in FIG. It is a variant with elastomer decoupling of the stator 2.
  • the latter is mounted on the right and left at reference numeral 26 by means of an elastomer part on the bearing plate 7 or on the connection part 20, which elastomer part 26 is preferably made of NBR.
  • the elastomer part has a decoupling and sealing function (the latter with regard to the second tempering fluid).
  • FIG. 6 shows a variant with radial wetting of the end windings through the hollow rotor shaft 9.
  • the end windings are shown at reference number 2b (and are basically present in all configurations).
  • an impeller 19 or 19′ is arranged on both sides of the rotor 3 on the shaft 9, which impeller acts as a circulating device for circulating the second tempering fluid.
  • the shaft 9 has openings on both sides at reference numbers 9a, 9a′, through which the second partial flow (cf. FIG. 1) can exit the (hollow) shaft 9 again, as shown.
  • the pump wheels 19, 19' can be dispensed with because the (radial) fluid flow can also be caused by centrifugal force.
  • FIG. 6 shows another possible cooling of the secondary fluid via the primary cooling channels (recesses 13; cf. FIG. 1) integrated in the bearing shield 7 is shown.
  • openings 7d are additionally provided in the end shield 7, which extend into the area of the recesses 13.
  • FIG. 7 shows a variant similar to the embodiment in FIG.
  • Tempering fluid to the recesses 13 in the bearing plate 7 for the purpose of targeted heat dissipation of the component 18. From there, the said fluid reaches the area between the cooling sleeve 12 and the stator carrier 5.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un dispositif de régulation de température pour une machine électrique (1), ladite machine (1) ayant un stator radialement externe (2) et un rotor (3) disposé radialement à l'intérieur du stator (2), un espace de rotor périphérique (4) étant formé entre le stator (2) et le rotor (3), le stator (2) étant entouré d'un support de stator en forme de manchon (5), et le support de stator (5) étant fermé au niveau de chaque face d'extrémité par un flasque de palier respectif (6, 7) de sorte qu'un intérieur de machine (8) est formé, lesdits éléments de flasques de palier (6, 7) supportant de manière rotative un arbre (9) du rotor (3). Le dispositif de régulation de température comprend : - un manchon de refroidissement (12) qui entoure le support de stator (5) dans une section et qui forme une première chambre de circulation (SR1) pour un premier fluide de régulation de température (TF1) entre le manchon de refroidissement et le support de stator (5) ; et un boîtier externe (16) qui entoure le manchon de refroidissement (12) dans une section et qui forme une deuxième chambre de circulation (SR2) pour un deuxième fluide de régulation de température (TF2) entre le boîtier externe et le manchon de refroidissement (12), ladite deuxième chambre de circulation (SR2) étant en communication fluidique avec l'intérieur de la machine (8).
PCT/EP2022/056556 2021-03-19 2022-03-14 Dispositif de régulation de température pour une machine électrique WO2022194785A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021106887.8 2021-03-19
DE102021106887.8A DE102021106887A1 (de) 2021-03-19 2021-03-19 Temperiervorrichtung bei einer elektrischen Maschine

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218927A1 (de) * 1982-05-19 1983-11-24 Klöckner-Humboldt-Deutz AG, 5000 Köln Gasturbinentriebwerk fuer einen flugkoerper
DE10354838A1 (de) * 2002-12-17 2004-07-01 Caterpillar Inc., Peoria Verfahren und Vorrichtung zur Kühlung von elektrischen Vorrichtungen
DE102014205930A1 (de) * 2014-03-31 2015-10-01 Continental Automotive Gmbh Elektrische Maschine
DE102015011863B4 (de) * 2015-09-10 2017-10-05 Audi Ag Elektrische Maschine
DE102016110658A1 (de) * 2016-06-09 2017-12-14 Rainer Puls Kühlgehäuse für einen Elektromotor
DE102018109421A1 (de) 2018-04-19 2019-10-24 Witzenmann Gmbh Temperiervorrichtung und Verfahren zum Temperieren eines Elektromoduls
DE102018121203A1 (de) * 2018-08-30 2020-03-05 Thyssenkrupp Ag Kühlvorrichtung, Motorgehäuse und Motoreinheit
EP3723246A1 (fr) * 2019-04-12 2020-10-14 Witzenmann GmbH Dispositif de contrôle de la température pour un module électrique et module électrique doté d'un tel dispositif

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT216617B (de) 1960-06-28 1961-08-10 Elin Union Ag Flüssigkeitsgekühlte elektrische Maschine
DE102012217361A1 (de) 2012-09-26 2014-04-17 Siemens Aktiengesellschaft Elektrische Maschine mit Wärmetauscher
DE102016225342A1 (de) 2016-12-16 2018-06-21 Robert Bosch Gmbh Gehäuse einer elektrischen Maschine, Statoranordnung einer elektrischen Maschine sowie elektrische Maschine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218927A1 (de) * 1982-05-19 1983-11-24 Klöckner-Humboldt-Deutz AG, 5000 Köln Gasturbinentriebwerk fuer einen flugkoerper
DE10354838A1 (de) * 2002-12-17 2004-07-01 Caterpillar Inc., Peoria Verfahren und Vorrichtung zur Kühlung von elektrischen Vorrichtungen
DE102014205930A1 (de) * 2014-03-31 2015-10-01 Continental Automotive Gmbh Elektrische Maschine
DE102015011863B4 (de) * 2015-09-10 2017-10-05 Audi Ag Elektrische Maschine
DE102016110658A1 (de) * 2016-06-09 2017-12-14 Rainer Puls Kühlgehäuse für einen Elektromotor
DE102018109421A1 (de) 2018-04-19 2019-10-24 Witzenmann Gmbh Temperiervorrichtung und Verfahren zum Temperieren eines Elektromoduls
DE102018121203A1 (de) * 2018-08-30 2020-03-05 Thyssenkrupp Ag Kühlvorrichtung, Motorgehäuse und Motoreinheit
EP3723246A1 (fr) * 2019-04-12 2020-10-14 Witzenmann GmbH Dispositif de contrôle de la température pour un module électrique et module électrique doté d'un tel dispositif

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